Home / 998,038.29-1,377,291.48-568,318.41

Finding the Fourth Proportional to 998,038.29, 1,377,291.48 and 568,318.41

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Solution

The fourth proportional to 998,038.29, 1,377,291.48 and 568,318.41 is: 784,278.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,038.29 : 1,377,291.48 = 568,318.41 : x
  2. Step 2: Convert to fraction form
    998,038.29/1,377,291.48 = 568,318.41/x
  3. Step 3: Cross multiply
    998,038.29x = 1,377,291.48 × 568,318.41
  4. Step 4: Simplify right side
    998,038.29x = 782,740,104,020.15
  5. Step 5: Solve for x
    x = 782,740,104,020.15/998,038.29
  6. Step 6: Final answer
    x = 784,278.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.